Spj.science.org - SEO Checker

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Overview of the SEO Check
Meta information
79% 
Page quality
92% 
Page structure
68% 
Link structure
38% 
Server
86% 
External factors
96% 
SEO Score
Response time
1.06 s
File size
85.60 kB
Words
977
Media files
24
Number of links
85 internal / 24 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Home | Science Partner Journals
The length of the page title is perfect. (295 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
AAAS, an international nonprofit scientific association established in 1849, publishes: Science, Science Advances, Science Immunology, Science Robotics, Science Signaling and Science Translational Medicine. Our journals are essential to fulfilling the AAAS mission to 'advance science, engineering, and innovation throughout the world for the benefit of all people.' By publishing the very best in scientific research, commentary and news, the Science family of journals furthers the AAAS goal to 'enhance communication among scientists, engineers, and the public.'
The meta description is too long: 3477 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://spj.science.org/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: Canada
The following language is defined by HTML: en
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
This page is hosted on a subdomain. Use a top level domain for better SEO results.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
robotsnoarchive,max-image-preview:large
descriptionAAAS, an international nonprofit scientific association established in 1849, publishes: Science, Science Advances, Science Immunology, Science Robotics, Science Signaling and Science Translational Medicine. Our journals are essential to fulfilling the AAAS mission to 'advance science, engineering, and innovation throughout the world for the benefit of all people.' By publishing the very best in scientific research, commentary and news, the Science family of journals furthers the AAAS goal to 'enhance communication among scientists, engineers, and the public.'
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og:titleHome | Science Partner Journals
og:typeWebsite
og:site_nameSPJ
og:descriptionAAAS, an international nonprofit scientific association established in 1849, publishes: Science, Science Advances, Science Immunology, Science Robotics, Science Signaling and Science Translational Medicine. Our journals are essential to fulfilling the AAAS mission to 'advance science, engineering, and innovation throughout the world for the benefit of all people.' By publishing the very best in scientific research, commentary and news, the Science family of journals furthers the AAAS goal to 'enhance communication among scientists, engineers, and the public.'
X-UA-CompatibleIE=edge
charsetUTF-8

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Page quality

Content
(Critically important)
This page contains 977 words. That's ok.
25.2% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
16 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 24.84 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width,initial-scale=1" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 20 tags for this page.
Image SEO
(Somewhat important)
3 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

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...eguide/black-aaas-logo-1675849786830.pngAAAS
...s/styleguide/main-logo-1675849786957.pngSPJ logo
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Page structure

H1 heading
(Critically important)
Science Partner Journals
The H1 heading is perfect.
Headings
(Important)
Some headings occur twice on the page.
The structure of headings is missing one or more levels. Do not skip heading levels.
There are 28 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H1 Science Partner Journals
H2 Featured Articles
H2 Journals
H3 Mechanisms Underlying the Impact of Interleukin Family on Acute Kidney Injury: Pathogenesis, Progression, and Therapy
H3 Review for the Design and Experimental Study of a Coaxial Twin-rotor Mars Unmanned Aerial Vehicle
H3 Autophagy-Regulating, Photothermal Polydopamine-Coated, and Photodynamic Zirconium/Porphyrin-Framed Metal–Organic Frameworks for Enhanced Doxorubicin Therapy in Colon Cancer
H3 Development of a Bioinspired Soft Robotic System for Teleoperated Endoscopic Surgery
H3 Identification of Dominant Factors and Scenario Prediction of Ecosystem Services in the Jialing River Basin, China
H3 Randomized Controlled Trial on the Provision of the EMDR-IGTP-OTS-R for Reduction of Posttraumatic Stress Disorder Symptomology with Mental Health Professionals in Ukraine during the War
H3 Reliability Perspective on Nano-silver Sinteringin SiC Power Modules for Space Applications
H3 Advanced Devices & Instrumentation
H3 Biomaterials Research
H3 BMEF
H3 Cyborg and Bionic Systems
H3 Ecosystem Health and Sustainability
H3 Energy Material Advances
H3 Health Data Science
H3 Intelligent Computing
H3 Journal of Bio-X Research
H3 Journal of EMDR Practice and Research
H3 Journal of Remote Sensing
H3 Ocean-Land-Atmosphere Research
H3 Research
H3 Space: Science & Technology
H3 Ultrafast Science
H4 Advertisement
H6 Follow Us
H6 Follow Us Duplicate text
Some internal link anchor texts are too long.
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
Some anchor texts are used more than once.
The number of internal links is ok.
There are 24 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://spj.science.org/Anchor Skip to main content
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https://science.org/External Science.org
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https://spj.science.org/Anchor A-TITLE Search
https://www.aaas.org/External Subdomain IMG-ALT AAAS
/journal/adiAdvanced Devices & Instrumentation
/journal/bdrBioDesign Research
/journal/bdrBiomaterials Research
/journal/bmefBME Frontiers
/journal/cbsystemsCyborg and Bionic Systems
/journal/cesciCivil Engineering Sciences
/journal/ehsEcosystem Health and Sustainability
/journal/energymatadvEnergy Material Advances
/journal/hdsHealth Data Science
/journal/icomputingIntelligent Computing
/journal/jbioxresearchJournal of Bio-X Research
/journal/jemdrJournal of EMDR Practice and Research
/journal/metabMetabolic Discovery
/journal/remotesensingJournal of Remote Sensing
/journal/olarOcean-Land-Atmosphere Research
/journal/plantphenomicsPlant Phenomics
/journal/researchResearch
/journal/spaceSpace: Science & Technology
/journal/ultrafastscienceUltrafast Science
https://spj.science.org/Anchor Anywhere
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https://spj.science.org/Anchor Text duplicate BioDesign Research
https://spj.science.org/Anchor Text duplicate BME Frontiers
https://spj.science.org/Anchor Text duplicate Cyborg and Bionic Systems
https://spj.science.org/Anchor Text duplicate Ecosystem Health and Sustainability
https://spj.science.org/Anchor Text duplicate Energy Material Advances
https://spj.science.org/Anchor Text duplicate Health Data Science
https://spj.science.org/Anchor Text duplicate Intelligent Computing
https://spj.science.org/Anchor Text duplicate Journal of Remote Sensing
https://spj.science.org/Anchor Text duplicate Ocean-Land-Atmosphere Research
https://spj.science.org/Anchor Text duplicate Plant Phenomics
https://spj.science.org/Anchor Text duplicate Research
https://spj.science.org/Anchor Text duplicate Space: Science & Technology
https://spj.science.org/Anchor Text duplicate Ultrafast Science
/search/advancedAdvanced Search
https://spj.science.org/SPJ Home
https://www.science.org/External Subdomain science.org
/program-overview/ABOUT
/author-services/Author services
/frequently-asked-questions/FAQ
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https://twitter.com/SPJournalsExternal A-TITLE Share on X
https://mp.weixin.qq.com/s?__b...External Subdomain Anchor A-TITLE Wechat
https://www.aaas.org/External Subdomain Text duplicate IMG-ALT AAAS
https://www.science.org/about/...External Subdomain Terms of Service
https://www.science.org/about/...External Subdomain Privacy Policy
https://www.science.org/about/...External Subdomain Accessibility
https://spj.science.org/Anchor No Text
/program-overview/About SPJ
/author-services/Author Services
/action/showPublications?pubTy...Text duplicate Journals
https://science.org/External Text duplicate Science.org
/search/advancedText duplicate Advanced Search
/doi/10.34133/research.0738A-TITLE Mechanisms Underlying the Impact of Interleukin Family on Acute Kidney Injury: Pathogenesis, Progression, and Therapy
/journal/researchText duplicate Research
/doi/10.34133/research.0738Text duplicate Mechanisms Underlying the Impact of Interleukin Family on Acute Kidney Injury: Pathogenesis, Progression, and Therapy
A-TITLE Mechanisms Underlying the Impact of Interleukin Family on Acute Kidney Injury: Pathogenesis, Progression, and Therapy
/journal/spaceText duplicate Space: Science & Technology
/doi/10.34133/space.0229Review for the Design and Experimental Study of a Coaxial Twin-rotor Mars Unmanned Aerial Vehicle
A-TITLE Review for the Design and Experimental Study of a Coaxial Twin-rotor Mars Unmanned Aerial Vehicle
/journal/bmrText duplicate Biomaterials Research
/doi/10.34133/bmr.0218Autophagy-Regulating, Photothermal Polydopamine-Coated, and Photodynamic Zirconium/Porphyrin-Framed Metal–Organic Frameworks for Enhanced Doxorubicin Therapy...
A-TITLE Autophagy-Regulating, Photothermal Polydopamine-Coated, and Photodynamic Zirconium/Porphyrin-Framed Metal–Organic Frameworks for Enhanced Doxorubicin Therapy...
/journal/cbsystemsText duplicate Cyborg and Bionic Systems
/doi/10.34133/cbsystems.0289Development of a Bioinspired Soft Robotic System for Teleoperated Endoscopic Surgery
A-TITLE Development of a Bioinspired Soft Robotic System for Teleoperated Endoscopic Surgery
/journal/ehsText duplicate Ecosystem Health and Sustainability
/doi/10.34133/ehs.0361Identification of Dominant Factors and Scenario Prediction of Ecosystem Services in the Jialing River Basin, China
A-TITLE Identification of Dominant Factors and Scenario Prediction of Ecosystem Services in the Jialing River Basin, China
/journal/jemdrText duplicate Journal of EMDR Practice and Research
/doi/10.34133/jemdr.0007Randomized Controlled Trial on the Provision of the EMDR-IGTP-OTS-R for Reduction of Posttraumatic Stress Disorder Symptomology with Mental Health Profession...
A-TITLE Randomized Controlled Trial on the Provision of the EMDR-IGTP-OTS-R for Reduction of Posttraumatic Stress Disorder Symptomology with Mental Health Profession...
/journal/spaceText duplicate Space: Science & Technology
/doi/10.34133/space.0268Reliability Perspective on Nano-silver Sinteringin SiC Power Modules for Space Applications
A-TITLE Reliability Perspective on Nano-silver Sinteringin SiC Power Modules for Space Applications
/action/doSearch?tagCode=has-k...MORE ARTICLES
/journal/adiAdvanced Devices & Instrumentation The Open Access journal Advanced Devices & Instrumentation, published in association with BIACD, is a forum to promote bre...
IMG-ALT Desc
/journal/bmrBiomaterials Research The Open Access journal Biomaterials Research, published in association with KSBM, covers the interdisciplinary fields of biomaterials ...
IMG-ALT Desc
/journal/bmefBMEF The Open Access journal BMEF (BME Frontiers), published in association with SIBET CAS, is a platform for the multidisciplinary community of biomedical e...
IMG-ALT Desc
/journal/cbsystemsCyborg and Bionic Systems The Open Access journal Cyborg and Bionic Systems, published in association with BIT, promotes the knowledge interchange and hybrid...
IMG-ALT Desc
/journal/ehsEcosystem Health and Sustainability The Open Access journal Ecosystem Health and Sustainability, published in association with ESC, publishes research on adv...
IMG-ALT Desc
/journal/energymatadvEnergy Material Advances The Open Access journal Energy Material Advances, published in association with BIT, is an interdisciplinary platform for research i...
IMG-ALT Desc
/journal/hdsHealth Data Science The Open Access journal Health Data Science, published in association with PKU, publishes innovative, scientifically-rigorous research to...
IMG-ALT Desc
/journal/icomputingIntelligent Computing Open Access journal Intelligent Computing, published in affiliation with Zhejiang Lab, publishes the latest research outcomes and techn...
IMG-ALT Desc
/journal/jbioxresearchJournal of Bio-X Research The Journal of Bio-X Research, an Open Access journal published in association with the Chinese Medical Association and Chinese Med...
IMG-ALT Desc
/journal/jemdrJournal of EMDR Practice and Research The Journal of EMDR Practice and Research, an open-access journal, is a platform to publish research breakthroughs, app...
IMG-ALT Desc
/journal/remotesensingJournal of Remote Sensing The Journal of Remote Sensing, an Open Access journal published in association with AIR-CAS, promotes the theory, science, and tech...
IMG-ALT Desc
/journal/olarOcean-Land-Atmosphere Research The Open Access journal Ocean-Land-Atmosphere Research (OLAR), published in association with SML, publishes technologically in...
IMG-ALT Desc
/journal/researchResearch The Open Access journal Research, published in association with CAST, publishes innovative, wide-ranging research in life sciences, physical science...
IMG-ALT Desc
/journal/spaceSpace: Science & Technology Open Access journal Space: Science & Technology, published in association with BIT, promotes the interplay of science and technol...
IMG-ALT Desc
/journal/ultrafastscienceUltrafast Science The Open Access journal Ultrafast Science, published in association with Xi’an Institute of Optics and Precision Mechanics, is a platform f...
IMG-ALT Desc
/action/showPublications?pubTy...Browse All journals
https://www.facebook.com/SPJou...External Subdomain A-TITLE Facebook
https://twitter.com/SPJournalsExternal Text duplicate A-TITLE Share on X
/page/email-alerts-and-rss-feedsA-TITLE RSS feeds
https://mp.weixin.qq.com/s?__b...External Subdomain Anchor A-TITLE WeChat
/program-overview/Text duplicate About SPJ
https://www.aaas.org/External Subdomain About AAAS
https://www.science.org/journalsExternal Subdomain Science family of journals
https://www.aaas.org/careers/w...External Subdomain Work at AAAS
/frequently-asked-questions/Text duplicate FAQ
/page/email-alerts-and-rss-feedsEmail Alerts and RSS Feeds
https://www.facebook.com/SPJou...External Subdomain Text duplicate A-TITLE Facebook
https://twitter.com/SPJournalsExternal Text duplicate A-TITLE Share on X
/page/email-alerts-and-rss-feedsText duplicate A-TITLE RSS feeds
https://mp.weixin.qq.com/s/RVg...External Subdomain Text duplicate A-TITLE WeChat
https://www.aaas.org/External Subdomain A-TITLE logo
https://www.science.org/conten...External Subdomain Text duplicate Terms of Service
A-TITLE Terms of Service
https://www.science.org/conten...External Subdomain Text duplicate Privacy Policy
A-TITLE Privacy Policy
https://www.science.org/conten...External Subdomain Text duplicate Accessibility
A-TITLE Accessibility

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://spj.science.org/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is slow (1.06 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
The file size of the HTML document is fine (86 kB).

HTTP Response Header

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dateSat, 14 Jun 2025 19:23:58 GMT
content-typetext/html;charset=UTF-8
set-cookie69 Characters
p3pCP="NOI DSP ADM OUR IND OTC"
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cf-cache-statusDYNAMIC
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External factors

This page is very well linked from other websites.
This page has backlinks from 32 referring domains.
This page has 145 backlinks.
This page has backlinks from 30 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

Sitemap: https://spj.science.org/sitemap-index-1.txt
User-agent: *
Disallow: /action
Disallow: /help
Disallow: /search
Disallow: /feedback
Disallow: /page/account-confirmation-thanks
Disallow: /media
Disallow: /medical-research
Disallow: /servlet/linkout
Disallow: /na101/
Disallow: /na101v1/
Disallow: /na102/
Disallow: /doi/mlt/
Disallow: /pb/widgets
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Allow: /action/showFeed
Allow: /action/showJournal
Allow: /action/showPublications
Allow: /action/showXml
Allow: /action/showTopic
Allow: /action/showBook
Allow: /action/showCoverImage
Allow: /action/downloadSupplement

User-agent: Google-Extended
Disallow: /

User-agent: anthropic-ai
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User-agent: Twitterbot
Allow: /

User-agent: GPTBot
Disallow: /

User-agent: GPTBot
Disallow: /

User-agent: ChatGPT-User
Disallow: /

User-agent: CCBot
Disallow: /

User-agent: Applebot-Extended
Disallow: /

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spj.science.org
Home | Science Partner Journals
AAAS, an international nonprofit scientific association established in 1849, publishes: Science, Science Advances, Science Immunology, Science Robotics, Science Signaling and Science Translational Medicine. Our journals are essential to fulfilling the AAAS mission to 'advance science, engineering, and innovation throughout the world for the benefit of all people.' By publishing the very best in scientific research, commentary and news, the Science family of journals furthers the AAAS goal to 'enhance communication among scientists, engineers, and the public.'

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
Science89%Check
Journal77%Check
Journals77%Check
Science Partner Journals77%Check
Science family71%Check
Ultrafast Science66%Check
Data Science65%Check
Science Technology65%Check
Partner62%Check
Access Journals58%Check
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